JSFiddle - React, Tailwind, and code Playground

by lun471k

HTML

<button id="button">
Enable Bluetooth
</button>

JavaScript

var button = $('#button');
button.on('pointerup',function(event){
  navigator.bluetooth.requestDevice({ filters: [{ services: ['heart_rate'] }] })
  .then(device => { device.gatt.connect() })
  .then(server => {
    return server.getPrimaryService('heart_rate');
  })
  .then(characteristic => {
    return characteristic.readValues();
  })
  .then(value => {
  console.log('Heart rate is ' + value.getUint32(0));
  })
  .catch(error => { console.log(error); });
})